Dukes of Curlândia e Semgallen Herzöge von Curlândia e Semgallen Records #4 Holders Family filter On/Off Charles of Saxony, duke of Courland and Semigallia * 1733 Ernest Johann von Biron, Duke of Courland and Semigallia * 1690 Godhard Kettler, duke of Courland and Semigallia * 1517 William Kettler, duke of Courland and Semigallia * 1574 Corrections and Updates To suggest a correction or an update. Click Here
